ductile iron pipe china mainland

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

Q: Are ductile iron pipes resistant to alkali attacks?: Ductile iron pipes have been proven to be highly resistant to alkali attacks. The material used in ductile iron pipes, known as ductile cast iron, is formulated with specific chemical compositions that provide exceptional corrosion resistance. This resistance extends to alkali attacks, which are chemical reactions that occur when alkaline substances come into contact with metals or other materials. Ductile iron pipes have a dense and protective oxide film on their inner and outer surfaces, which acts as a barrier against chemical attacks. This oxide film forms naturally over time, and its composition and structure provide excellent resistance to alkali attacks. Additionally, ductile iron pipes are often coated with various protective layers, such as epoxy or zinc, to further enhance their resistance to corrosion and chemical reactions. It is important to note that while ductile iron pipes are highly resistant to alkali attacks, the severity and concentration of the alkali substances can still impact their overall performance. In extreme cases, very high concentrations of alkali substances or prolonged exposure to aggressive alkaline environments may eventually cause some damage to the protective layers of the pipes. However, under normal conditions and within acceptable parameters, ductile iron pipes are considered to have excellent resistance to alkali attacks.

Q: What are the different pressure classes available for ductile iron pipe?: The different pressure classes available for ductile iron pipe include Class 100, Class 150, Class 200, Class 250, Class 300, Class 350, and Class 400.

Q: What are the typical installation methods for ductile iron pipe?: The typical installation methods for ductile iron pipe involve several steps to ensure proper installation and functionality. Firstly, the trench is excavated to the required depth and width, accounting for the pipe diameter and bedding material. The bottom of the trench is then carefully prepared by removing any sharp objects or debris that could potentially damage the pipe. Next, a layer of suitable bedding material such as sand or fine gravel is placed evenly along the bottom of the trench to provide support and prevent any point loading on the pipe. The bedding material is compacted to ensure stability and eliminate any voids that could cause the pipe to settle or shift over time. After the bedding is in place, the ductile iron pipe is carefully lowered into the trench, taking precautions to prevent any damage to the pipe's protective coating. The pipes are then aligned and supported at regular intervals using appropriate pipe supports or blocks. Once the pipe is properly aligned, the joints are assembled by applying a lubricant and inserting a rubber gasket into the bell end of the pipe. The spigot end of the adjacent pipe is then inserted into the bell end, creating a secure and watertight seal. After the joints are assembled, the backfilling process begins. Backfill material, typically a combination of native soil and select backfill, is carefully placed around the pipe in layers and compacted to provide stability and prevent any voids. The backfilling process is carried out gradually, allowing for proper compaction and avoiding excessive pressure or damage to the pipe. Finally, the trench is fully backfilled and compacted, ensuring that the pipe is adequately supported and protected from external forces. Surface restoration is then performed to restore the area to its original condition, minimizing any disruption caused by the installation process. It is important to note that these installation methods may vary depending on project specifications, local regulations, and engineering recommendations. Therefore, it is essential to consult the manufacturer's guidelines and work closely with qualified professionals to ensure proper installation of ductile iron pipe.

Q: Are ductile iron pipes suitable for fire protection systems?: Yes, ductile iron pipes are suitable for fire protection systems. Ductile iron is a strong and durable material that can withstand high pressure and temperature fluctuations, making it ideal for fire protection systems that require reliable and long-lasting pipes. Additionally, ductile iron has excellent corrosion resistance, which helps to prevent the degradation of the pipes over time, ensuring the integrity of the fire protection system. The high tensile strength of ductile iron also provides added safety benefits as it can withstand the stress and strain that may occur during a fire event. Therefore, ductile iron pipes are a suitable and commonly used material for fire protection systems in various applications, including commercial buildings, industrial facilities, and residential areas.

Q: Can ductile iron pipe be used for both water and wastewater applications?: Yes, ductile iron pipe can be used for both water and wastewater applications. Ductile iron has excellent strength, durability, and corrosion resistance, making it suitable for conveying both clean water and wastewater effectively and safely.

Q: What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?: Poor balling and poor performance. Can do under tensile. General level three or four or more on it

Q: How are ductile iron pipes protected against external impact or loading?: Ductile iron pipes are protected against external impact or loading through various methods. One common method is to apply a protective coating or wrapping on the pipes, which helps to prevent corrosion and reduces the risk of damage from external forces. Additionally, the pipes are often designed with a thicker wall thickness to enhance their strength and resistance to external impact. Furthermore, the installation of appropriate bedding and backfill materials around the pipes provides additional support and protection against external loading. Regular inspections and maintenance practices also play a crucial role in ensuring the long-term durability and protection of ductile iron pipes.

Q: What is the expected flow capacity of ductile iron pipes?: The expected flow capacity of ductile iron pipes can vary depending on several factors such as the diameter and wall thickness of the pipe, the type of fluid being transported, and the specific design and condition of the pipeline system. Generally, ductile iron pipes are known for their high flow capacity due to their smooth internal surface which minimizes frictional losses. They are designed to handle a wide range of fluid flows, including water, sewage, and industrial fluids. In terms of specific flow rates, it is common to refer to the Manning's equation, which is widely used to calculate the flow capacity of open channels and pipes. This equation takes into account the hydraulic radius, slope of the pipe, and Manning's roughness coefficient to determine the expected flow capacity. However, it is important to note that the actual flow capacity can also be influenced by other factors such as the presence of fittings, valves, and bends in the pipeline, as well as any potential blockages or obstructions. Therefore, it is recommended to consult the manufacturer's specifications, engineering guidelines, or work with a qualified engineer to accurately determine the expected flow capacity of ductile iron pipes for a particular application.

Q: Are ductile iron pipes suitable for use in wastewater treatment plants?: Ductile iron pipes are indeed a suitable option for utilization in wastewater treatment plants. This is due to the fact that ductile iron possesses immense strength and durability, enabling it to endure the harsh and corrosive environment commonly found in such facilities. Furthermore, it boasts exceptional resistance against abrasion, corrosion, and chemical assaults, rendering it a dependable choice for the conveyance of wastewater and the handling of diverse chemicals and substances encountered in the treatment process. Another advantage of ductile iron pipes lies in their high tensile strength, allowing them to withstand both high-pressure conditions and the weight of the surrounding soil. Moreover, these pipes are renowned for their flexibility, affording them protection against ground movement and settlement, thus ensuring long-lasting performance and dependability within wastewater treatment plants.

Q: Are ductile iron pipes suitable for potable water systems?: Yes, ductile iron pipes are suitable for potable water systems. Ductile iron pipes have been widely used in potable water systems for many years due to their durability, strength, and corrosion resistance. They are designed to withstand high-pressure water flow and can handle the challenges of underground installation. Additionally, ductile iron pipes have a smooth internal surface that prevents the buildup of scale or sediment, ensuring the delivery of clean and safe drinking water. They also have a long service life, making them a cost-effective choice for potable water systems. Overall, ductile iron pipes are a reliable and widely accepted option for potable water supply networks.

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